#include "commit.h"
#include "tag.h"
#include "tree.h"
-#include <sys/time.h>
-#include <signal.h>
static const char index_pack_usage[] =
"git-index-pack [-v] [-o <index-file>] [{ ---keep | --keep=<msg> }] { <pack-file> | --stdin [--fix-thin] [<pack-file>] }";
static unsigned char input_buffer[4096];
static unsigned long input_offset, input_len, consumed_bytes;
static SHA_CTX input_ctx;
-static int input_fd, output_fd, mmap_fd;
+static int input_fd, output_fd, pack_fd;
/* Discard current buffer used content. */
static void flush(void)
if (output_fd >= 0)
write_or_die(output_fd, input_buffer, input_offset);
SHA1_Update(&input_ctx, input_buffer, input_offset);
- memcpy(input_buffer, input_buffer + input_offset, input_len);
+ memmove(input_buffer, input_buffer + input_offset, input_len);
input_offset = 0;
}
}
output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600);
if (output_fd < 0)
die("unable to create %s: %s\n", pack_name, strerror(errno));
- mmap_fd = output_fd;
+ pack_fd = output_fd;
} else {
input_fd = open(pack_name, O_RDONLY);
if (input_fd < 0)
die("cannot open packfile '%s': %s",
pack_name, strerror(errno));
output_fd = -1;
- mmap_fd = input_fd;
+ pack_fd = input_fd;
}
SHA1_Init(&input_ctx);
return pack_name;
case OBJ_TAG:
break;
default:
- bad_object(obj->offset, "bad object type %d", obj->type);
+ bad_object(obj->offset, "unknown object type %d", obj->type);
}
obj->hdr_size = consumed_bytes - obj->offset;
{
unsigned long from = obj[0].offset + obj[0].hdr_size;
unsigned long len = obj[1].offset - from;
- unsigned pg_offset = from % getpagesize();
- unsigned char *map, *data;
+ unsigned char *src, *data;
z_stream stream;
int st;
- map = mmap(NULL, len + pg_offset, PROT_READ, MAP_PRIVATE,
- mmap_fd, from - pg_offset);
- if (map == MAP_FAILED)
- die("cannot mmap pack file: %s", strerror(errno));
+ src = xmalloc(len);
+ if (pread(pack_fd, src, len, from) != len)
+ die("cannot pread pack file: %s", strerror(errno));
data = xmalloc(obj->size);
memset(&stream, 0, sizeof(stream));
stream.next_out = data;
stream.avail_out = obj->size;
- stream.next_in = map + pg_offset;
+ stream.next_in = src;
stream.avail_in = len;
inflateInit(&stream);
while ((st = inflate(&stream, Z_FINISH)) == Z_OK);
inflateEnd(&stream);
if (st != Z_STREAM_END || stream.total_out != obj->size)
die("serious inflate inconsistency");
- munmap(map, len + pg_offset);
+ free(src);
return data;
}
/* Rewrite pack header with updated object number */
if (lseek(output_fd, 0, SEEK_SET) != 0)
die("cannot seek back: %s", strerror(errno));
- if (xread(output_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
+ if (read_in_full(output_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
die("cannot read pack header back: %s", strerror(errno));
hdr.hdr_entries = htonl(nr_objects);
if (lseek(output_fd, 0, SEEK_SET) != 0)
char buf[48];
int len = snprintf(buf, sizeof(buf), "%s\t%s\n",
report, sha1_to_hex(sha1));
- xwrite(1, buf, len);
+ write_or_die(1, buf, len);
/*
* Let's just mimic git-unpack-objects here and write